Home / 202,963.28-304,726.49-127,861.70

Finding the Fourth Proportional to 202,963.28, 304,726.49 and 127,861.70

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Solution

The fourth proportional to 202,963.28, 304,726.49 and 127,861.70 is: 191,969.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,963.28 : 304,726.49 = 127,861.70 : x
  2. Step 2: Convert to fraction form
    202,963.28/304,726.49 = 127,861.70/x
  3. Step 3: Cross multiply
    202,963.28x = 304,726.49 × 127,861.70
  4. Step 4: Simplify right side
    202,963.28x = 38,962,844,883.49
  5. Step 5: Solve for x
    x = 38,962,844,883.49/202,963.28
  6. Step 6: Final answer
    x = 191,969.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.